Gallium Arsenide Precursor Homogenizer

Emulsifying and stirring machine for gallium arsenide compound semiconductor precursors, ensuring molecular uniformity before MOCVD reactor introduction for wafer epitaxy. Under HTS 8479.82.0040 as semiconductor processing mixing equipment per statistical notes. Prevents phase separation critical for III-V wafer quality.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8479.82.00Same rate: 35%

If food/pharma emulsification

Sanitary design features indicate non-semiconductor end-use.

8481.80.90Higher: 37% vs 35%

If integrated with CVD reactor valves

Parts of complete deposition systems classify under valve provisions.

2811Lower: 13.7% vs 35%

If imported containing gas precursors

Chemical content value exceeds machinery, classified as inorganic acid/metal compound.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include vapor pressure specs confirming MOCVD precursor compatibility

Document corrosion resistance for organometallic handling (TMG, TMA)

Related Products under HTS 8479.82.00.40

Czochralski Crystal Puller

A specialized mixing and stirring machine used in semiconductor manufacturing to grow monocrystalline silicon boules via the Czochralski method, where a seed crystal is dipped into molten silicon and slowly pulled while rotating to form pure crystals. It falls under HTS 8479.82.0040 as a stirring machine for high-precision material processing in wafer production. The continuous stirring of the melt ensures uniform crystal growth essential for semiconductor wafers.

Float Zone Crystal Grower

Machine employing float zone method with mixing and stirring mechanisms to purify and grow semiconductor boules by melting a narrow zone of polycrystalline rod via RF heating while translating. Classified under HTS 8479.82.0040 for its kneading/stirring role in zone refinement for ultra-pure silicon wafers. Essential for producing defect-free crystals used in high-performance chips.

Semiconductor Wafer Slurry Mixer

High-precision mixing machine for preparing diamond or silica slurry used in wafer slicing saws, ensuring uniform abrasive particle dispersion critical for thin kerf cuts in silicon wafers. Falls under HTS 8479.82.0040 as semiconductor-specific mixing equipment per statistical notes for wafer preparation. Maintains slurry viscosity for defect-free wafer slicing from crystal boules.

Crystal Boule Melt Stirrer

Magnetic or mechanical stirrer for semiconductor melt crucibles ensuring dopant uniformity during crystal growth, preventing striations in finished silicon ingots. HTS 8479.82.0040 classification for stirring machines in wafer manufacturing equipment per statistical note (a)(i). Critical for resistivity control across wafer diameter.

Wafer Grinding Coolant Agitator

Continuous stirring machine for coolant reservoirs in wafer grinders/lappers, preventing abrasive settling during backgrinding to achieve <1 micron flatness. HTS 8479.82.0040 for semiconductor wafer preparation equipment mixing per statistical note (a)(ii)(C). Maintains suspension for TTV control.

Epitaxial Gas Premix Kneader

Kneading machine for multi-component precursor gas mixtures used in epitaxial layer growth on semiconductor wafers, ensuring stoichiometric uniformity. Classified HTS 8479.82.0040 for semiconductor processing stirring/kneading per statistical notes. Critical for compound semiconductor heterostructures.